CN110136381B - On-spot personnel of drilling operation monitoring early warning system that stands - Google Patents
On-spot personnel of drilling operation monitoring early warning system that stands Download PDFInfo
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- CN110136381B CN110136381B CN201810120230.XA CN201810120230A CN110136381B CN 110136381 B CN110136381 B CN 110136381B CN 201810120230 A CN201810120230 A CN 201810120230A CN 110136381 B CN110136381 B CN 110136381B
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- 238000005553 drilling Methods 0.000 title claims abstract description 59
- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
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Abstract
The invention provides a personnel standing monitoring and early warning system in a drilling operation field, which comprises a video acquisition part, a main control part and a warning part, wherein the main control part comprises a parameter input unit, a drilling operation type library unit, a drilling operation image processing rule library unit, an image extraction unit, an operation moving image detection unit and an early warning judgment unit; the image extraction unit is connected with the operation moving image detection unit, and the operation moving image detection unit is connected with the early warning judgment unit. The video acquisition part is connected with the image extraction unit, and the early warning judgment unit is connected with the alarm part. The system realizes the automatic judgment and intelligent early warning of the abnormal personnel station position based on video analysis.
Description
Technical Field
The invention relates to the field of safety monitoring of drilling operation, in particular to a standing monitoring and early warning system for personnel in a drilling operation field.
Background
The well drilling is an important link in the exploration and development process of oil and gas resources, the well drilling operation not only relates to the process operations such as pumping of high-pressure fluid and the like, but also relates to the construction operations such as tripping and buckling, and has extremely high risk. In recent years, accident events such as mechanical injury, object striking, high-pressure jet impact and the like are found in statistics, and analysis shows that the accident is caused by the fact that field personnel randomly enter dangerous areas or stations are abnormal. Therefore, the station positions of the personnel in the drilling operation field are standardized, and timely early warning and control of abnormal station positions are effective means for controlling accidents.
Personnel station position monitoring or personnel positioning technology is commonly used in places such as coal mine underground and transformer substations at present. The Chinese patent application with the publication number of CN201278022Y discloses a position detection substation for underground personnel in a coal mine, which comprises a central processing unit, a memory and the like, wherein the central processing unit, the memory and the like are connected with a low-frequency signal transmitting module and a low-frequency signal receiving module, and management personnel can reliably master underground miners by utilizing an RFID technology. Chinese patent application publication No. CN202544928U discloses a system for detecting and managing the position of underground personnel, which utilizes a radio frequency technology, a data processing technology, a data communication technology and a geographic information system, combines a wireless network transmission technology Zigbee, realizes accurate positioning of underground personnel, can monitor the position of equipment of the underground personnel from the ground in real time, and provides a basis for accident prevention and emergency rescue. Chinese patent application publication No. CN203630373U discloses a substation personnel position monitoring device, which uses pressure and weight sensors to realize personnel position positioning in a switch room. However, the above patent can only realize the personnel positioning function, the early warning and the alarm are still realized manually, the data processing has uncertainty and hysteresis, and the high-efficiency and accurate automatic early warning function cannot be realized.
Disclosure of Invention
The invention provides a drilling operation field personnel standing monitoring and early warning system, aiming at the problem that the existing station early warning system cannot efficiently and accurately automatically alarm.
The invention adopts the following technical scheme:
a drilling operation field personnel standing monitoring and early warning system comprises a video acquisition part, a main control part and an alarm part, wherein the video acquisition part is connected with the main control part, and the main control part is connected with the alarm part;
the main control part comprises a parameter input unit, a drilling operation type library unit, a drilling operation image processing rule library unit, an image extraction unit, an operation moving image detection unit and an early warning judgment unit, wherein the parameter input unit is connected with the drilling operation type library unit, the drilling operation type library unit is connected with the drilling operation image processing rule library unit, and the drilling operation image processing rule library unit is connected with the early warning judgment unit; the image extraction unit is connected with the operation moving image detection unit, and the operation moving image detection unit is connected with the early warning judgment unit;
the drilling operation type library unit is internally provided with a plurality of operation types and equipment and appliance information related to each operation type;
the drilling operation image processing rule base unit is internally provided with an image processing rule;
the video acquisition part is connected with the image extraction unit, and the early warning judgment unit is connected with the alarm part;
the video acquisition part comprises a rotatable camera and a liftable bracket, and the rotatable camera is fixed on the liftable bracket;
the alarm part comprises an audible and visual alarm which is fixed on the lifting support.
Preferably, the parameter input unit comprises a mouse and a keyboard, the parameter input unit can input operation parameters, and the operation parameters comprise operation types, derrick types, the number of field operators and a calibration proportion.
Preferably, the operation types include a tripping operation, a casing running operation, a cementing operation, a drilling operation and a mousehole flushing operation.
Preferably, the image processing rules comprise a tong operation station, a wellhead station, a valve operation station and a high-pressure area station; the operation types in the well drilling operation type library unit and the related equipment and appliances can be matched with the image processing rule.
Preferably, the image extraction unit is connected with the rotatable camera, and the image extraction unit can extract the image shot by the video acquisition part and send the image to the operation moving image detection unit.
Preferably, the operation moving image detection unit can identify an operator, a drill pipe, a high-pressure pipeline, a sleeve, a valve and a hydraulic tong in the image and extract corresponding coordinate data.
Preferably, the early warning judgment unit judges whether the personnel station is illegal and can send a warning signal to the warning part.
Preferably, the lifting support is an automatic lifting support.
Preferably, the lifting support comprises a base body, a hollow groove is formed in the middle of the base body, a lifting rod is inserted in the hollow groove, a row of threaded holes are formed in the lifting rod, threaded round holes are formed in the upper portion of the hollow groove, a positioning knob is arranged in the threaded round holes, and the positioning knob is connected with threaded holes with different heights through the threaded round holes to achieve lifting of the lifting rod.
Preferably, the alarm part further comprises an explosion-proof shell and a signal receiver, the signal receiver is connected with the audible and visual alarm, and the signal receiver and the audible and visual alarm are both located in the explosion-proof shell.
The invention has the beneficial effects that:
the invention builds a personnel station monitoring and early warning system comprising a drilling operation type library unit and a drilling operation image processing rule library unit, particularly builds a matching relation between the two, simultaneously builds different drilling operation activity personnel station image processing rules through image pixel analysis and comparison based on an SSD target detection framework, and realizes real-time automatic early warning of station abnormity of field personnel under different operations through image pixel comparison and analysis.
Drawings
Fig. 1 is a schematic structural diagram of a drilling operation field personnel standing monitoring and early warning system.
Fig. 2 is a flow chart of a personnel standing monitoring and early warning system in a drilling operation field.
Fig. 3 is a schematic diagram of a video capture portion and an alarm portion.
Fig. 4 is a schematic structural diagram of a liftable bracket.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
with reference to fig. 1 to 4, a system for monitoring and early warning personnel standing in a drilling operation field comprises a video acquisition part, a main control part and an alarm part, wherein the video acquisition part is connected with the main control part, and the main control part is connected with the alarm part.
The main control part comprises a parameter input unit, a drilling operation type library unit, a drilling operation image processing rule library unit, an image extraction unit, an operation moving image detection unit and an early warning judgment unit.
The parameter input unit is connected with the drilling operation type library unit, the drilling operation type library unit is connected with the drilling operation image processing rule library unit, and the drilling operation image processing rule library unit is connected with the early warning judgment unit; the image extraction unit is connected with the operation moving image detection unit, and the operation moving image detection unit is connected with the early warning judgment unit.
The drilling operation type library unit is internally provided with a plurality of operation types and equipment and appliance information related to each operation type, and the operation types comprise tripping operation, casing running operation, well cementing operation, drilling operation, mouse hole punching operation and the like.
And the well drilling operation image processing rule base unit is used for extracting four types of image processing rules of a tong operation station, a wellhead station, a valve operation station and a high-pressure area station according to the well drilling operation and accident practice. And establishing a method for judging the distance between dangerous equipment, facilities, tools and personnel by comparing and analyzing picture pixels, and calling various image processing rules to be matched with the dangerous equipment, facilities, tools and personnel based on the requirements of different operation types in the drilling operation type library unit.
The parameter input unit comprises input equipment such as a mouse, a keyboard and the like, and can input operation parameters, wherein the operation parameters comprise operation types, derrick types, the number of field operation personnel, a calibration proportion and the like. The scale is K, K =1/a, and a is the distance between two points represented in the video pixel by the actual distance 1 m.
The video acquisition part is connected with the image extraction unit, and the early warning judgment unit is connected with the alarm part.
The video acquisition part comprises a rotatable camera 1 and a lifting support, and the rotatable camera 1 is fixed on the lifting support.
The alarm part comprises an audible and visual alarm 2 which is fixed on the lifting bracket.
The image extraction unit is connected with the rotatable camera, can extract the image shot by the video acquisition part and sends the image to the operation moving image detection unit.
The images taken by the rotatable camera should be able to cover the area involved by the operator's station, at least the entire drill floor.
The operation moving image detection unit can identify operators, drill rods, high-pressure pipelines, sleeves, valves, hydraulic tongs and the like in the images and extract corresponding coordinate data.
The operation moving image detection unit adopts a multi-class object detection technology according to the operation type in the drilling operation type library, and trains an object detection frame through a large number of images, so that the object detection frame can identify the pixel coordinates of the object from the pictures extracted from the image extraction module.
The early warning judgment unit judges whether the personnel station position violates rules and sends a warning signal to the warning part.
The liftable support can be an automatic lifting support.
The lifting support can also comprise a base body 3, a hollow groove is formed in the middle of the base body, a lifting rod 4 is inserted in the hollow groove, a row of threaded holes 5 are formed in the lifting rod, threaded round holes are formed in the upper portion of the hollow groove, a positioning knob 6 is arranged in each threaded round hole, and the positioning knob is connected with threaded holes of different heights through the threaded round holes to achieve lifting of the lifting rod.
The alarm part also comprises an explosion-proof shell and a signal receiver, the signal receiver is connected with the audible and visual alarm, and the signal receiver and the audible and visual alarm are both positioned in the explosion-proof shell.
In the image extraction unit, the extracted video image pixels are set to X X Y, and the nominal actual distance 1m is expressed in the pixels as the distance a between two points.
In the well drilling operation image processing rule base unit, the large tong operation station position image processing rule is as follows:
step 1: identifying a drill rod in a video in a pixel range of
{(X g ,Y g )|(X g1 <X g <X g2 ，Y g1 <Y g <Y g2 )}；
Step 2: identifying the pixel range of the hydraulic tong in the video as
{(X q ,Y q )|(X q1 <X q <X q2 ，Y q1 <Y q <Y q2 )}；
And step 3: identifying a person as having a range of pixels in a video
{(X ri ,Y ri )|(X ri1 <X ri <X ri2 ，Y ri1 <Y ri <Y ri2 )}；
i = (1 \8230; n), where n is the number of detected workers in the video range.
And 4, step 4: early warning rules are as follows:
if X q2 <X g1 Then when (Y) ri1 +Y ri2 )/2>Y q1 ，X q2 <(X ri1 +X ri2 )/2<X g1 When the alarm is not received, the alarm is given;
if X q2 >X g1 Then when (Y) ri1 +Y ri2 )/2>Y q1 ，X g1 <(X ri1 +X ri2 )/2<X q2 And then, alarming.
The well head station position image processing rule is as follows:
step 1: identify the pixel range of the casing (drill pipe) in the video
{(X s ,Y s )|(X s1 <X s <X s2 ，Y s1 <Y s <Y s2 )}；
Step 2: calculating the coordinate of the central point of the casing (drill rod) as (X) sm ,Y sm )
X sm ＝(X s1 +X s2 )/2；Y sm ＝(Y s1 +Y s2 )/2；
And step 3: identifying a person as having a range of pixels in a video
{(X ri ,Y ri )|(X ri1 <X ri <X ri2 ，Y ri1 <Y ri <Y ri2 )}；
i = (1 \ 8230; \8230n), where n is the number of detected operators in the video range.
And 4, step 4: judging the state of the casing (drill rod)
The central point of the sleeve pixel range at the moment of reading t1 is (X) smt1 ,Y smt1 )
Reading the t2 moment, wherein the central point of the casing pixel range is (X) smt2 ,Y smt2 )
If Y smt2 -Y smt1 If | ≠ 0, it indicates that the casing is in the lifting or lowering state.
And 5: early warning rules are as follows:
Y sq ＝(Y ri1 +Y ri2 ) At/2, if | X rim -X sq If the | is less than or equal to Ca, alarming;
X rim is the center point of the person i in the X-axis coordinate, X rim ＝(X ri1 +X ri2 )/2。
And C is the distance from the well head to the edge of the drill floor.
(X sq ,Y sq ) Is a random point in the casing (drill pipe) video pixel range.
The valve operation station image processing rules are as follows:
step 1: identifying a pixel range of a valve in a video as
{(X v ,Y v )|(X v1 <X v <X v2 ，Y v1 <Y v <Y v2 )}；
Step 2: identifying a person as having a range of pixels in a video
{(X r ,Y r )|(X r1 <X r <X r2 ，Y r1 <Y r <Y r2 )}；
And step 3: the early warning rule is as follows:
if (Y) v1 +Y v2 )/2-Ka<(Y ri1 +Y ri2 )/2<(Y v1 +Y v2 ) Ka and X are/2 v1 <(X ri1 +X ri2 )/2<X v2 And then an alarm is given.
K is a basic parameter set based on the condition of the operator, and is generally 0.3.
The high-voltage area station image processing rule is as follows:
step 1: identify the pixel range of the high pressure pipeline (Red) in the video as
{(X t ,Y t )|(X t1 <X t <X t2 ，Y t1 <Y t <Y t2 )}；
Step 2: identifying a person as having a range of pixels in a video
{(X ri ,Y ri )|(X ri1 <X ri <X ri2 ，Y ri1 <Y ri <Y ri2 )}；
i = (1 \ 8230; \8230n), where n is the number of detected operators in the video range.
The center of the person in the pixel is (X) rim ,Y rim )
X rim ＝(X ri1 +X ri2 )/2；Y rim ＝(Y ri1 +Y ri2 )/2
Let Y tp ＝Y rim If | X rim -X tp If the | is less than or equal to 0.5a, alarming;
let X tp ＝X rim If Y rim -Y tp If the | is less than or equal to 0.5a, alarming.
(X tp ,Y tp ) Is a random point in the high-pressure pipeline video pixel range.
The general implementation process of the personnel standing monitoring and early warning system in the drilling operation field comprises the following steps:
the operation team leader inputs operation parameters including selection of operation types, derrick types, the number of field operators, a calibration proportion and the like through the parameter input unit. Based on the selected parameters, calling operation type information from the drilling operation type library unit, and determining related equipment and appliances; after the operation type is clear, calling rules from the drilling operation image processing rule base unit and uploading the rules to the early warning unit; after the operation is started, the rotatable camera shoots a video, the image extraction unit extracts each frame of the video and uploads the frame of the video to the operation moving image detection unit, and the operation moving image detection unit identifies personnel, tools and facilities in the frame, extracts corresponding coordinate data and uploads the coordinate data to the early warning unit. The early warning unit judges whether the coordinate data is in a reasonable range or not based on the image processing rule, and controls the audible and visual alarm to give an alarm if the personnel station is unreasonable.
Example 1
Take a certain trip of a certain drilling crew for example
Inputting corresponding operation parameters, wherein the operation type is tripping operation, and the derrick type is A-type 40 derrick. When the number of workers is 4 and the scaling ratio is 100, the actual distance 1m is represented by a distance between two points of 0.01 in a pixel.
And selecting tripping operation in the drilling operation type library unit, and calling the tong operation station position and wellhead station position image processing rules in the drilling operation image processing rule library unit.
The operation moving image detection unit adopts an SSD target detection frame for training, so that the target detection frame can identify the pixel coordinates of the target object from the picture extracted by the image extraction unit. The images include the operator, drill pipe, high pressure line (red), casing, valve, hydraulic tong.
And establishing a method for judging the distance between dangerous equipment, facilities, tools and personnel by comparing and analyzing picture pixels.
According to the device model, in the image extraction module 5, extracted video image pixels are set to 352 × 288.
The image processing rule of the operating station of the tong is as follows:
step 1: identifying the pixel range of the drill rod in the video
Step 1: identifying the pixel range of the drill rod in the video
{(X g ,Y g )|(X g1 <X g <X g2 ，Y g1 <Y g <Y g2 )}；
Step 2: identifying the pixel range of the hydraulic tong in the video as
{(X q ,Y q )|(X q1 <X q <X q2 ，Y q1 <Y q <Y q2 )}；
And step 3: identifying a person as having a range of pixels in a video
{(X ri ,Y ri )|(X ri1 <X ri <X ri2 ，Y ri1 <Y ri <Y ri2 )}；
i = (1 \8230; 8230; n), where n is the number of detected operators in the video range, and n is not more than 4.
And 4, step 4: the early warning rule is as follows:
if Xq2 is less than Xg1, alarming is carried out when (YRi 1+ YRi 2)/2 > -Yq1, xq2< (Xri 1+ Xri 2)/2 < -Xg1;
if Xq2 is greater than Xg1, an alarm is given when (YRi 1+ YRi 2)/2 > -Yq1, xg1< (Xri 1+ Xri 2)/2 < Xq2.
The well head station position image processing rule is as follows:
step 1: identifying the casing (drill pipe) in the video in the pixel range of
{(X s ,Y s )|(X s1 <X s <X s2 ，Y s1 <Y s <Y s2 )}；
Step 2: calculating the coordinate of the central point of the casing (drill rod) as (X) sm ,Y sm )
X sm ＝(X s1 +X s2 )/2；Y sm ＝(Y s1 +Y s2 )/2；
And step 3: identifying a person as having a range of pixels in a video
{(X ri ,Y ri )|(X ri1 <X ri <X ri2 ，Y ri1 <Y ri <Y ri2 )}；
i = (1 \8230; n), where n is the number of detected workers in the video range.
And 4, step 4: judging the state of the casing (drill rod)
Reading the t1 moment, wherein the central point of the casing pixel range is (X) smt1 ,Y smt1 )
At the moment of reading t2, the central point of the sleeve pixel range is (X) smt2 ,Y smt2 )
If Y smt2 -Y smt1 If | ≠ 0, it indicates that the casing is in the lifting or lowering state.
And 5: the early warning rule is as follows:
as can be seen from the derrick parameter settings, C =2.
Y sq ＝(Y ri1 +Y ri2 ) At/2, if | X rim -X sq If the | is less than or equal to Ca, alarming;
X rim is the center point of the person i in the X-axis coordinate, X rim ＝(X ri1 +X ri2 )/2。
(X sq ,Y sq ) Is a random point in the casing (drill pipe) video pixel range.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (9)
1. A personnel standing monitoring and early warning system on a drilling operation site is characterized by comprising a video acquisition part, a main control part and an alarm part, wherein the video acquisition part is connected with the main control part which is connected with the alarm part;
the main control part comprises a parameter input unit, a drilling operation type library unit, a drilling operation image processing rule library unit, an image extraction unit, an operation moving image detection unit and an early warning judgment unit, wherein the parameter input unit is connected with the drilling operation type library unit, the drilling operation type library unit is connected with the drilling operation image processing rule library unit, and the drilling operation image processing rule library unit is connected with the early warning judgment unit; the image extraction unit is connected with the operation moving image detection unit, and the operation moving image detection unit is connected with the early warning judgment unit;
the drilling operation type library unit is internally provided with a plurality of operation types and equipment and appliance information related to each operation type;
the drilling operation image processing rule base unit is internally provided with an image processing rule;
the video acquisition part is connected with the image extraction unit, and the early warning judgment unit is connected with the alarm part;
the video acquisition part comprises a rotatable camera and a liftable bracket, and the rotatable camera is fixed on the liftable bracket;
the alarm part comprises an audible and visual alarm which is fixed on the lifting bracket;
the image processing rules comprise a tong operation station, a wellhead station, a valve operation station and a high-pressure area station; the operation types in the drilling operation type library unit and the related equipment and appliances can be matched with the image processing rules.
2. The system of claim 1, wherein the parameter input unit comprises a mouse and a keyboard, and the parameter input unit can input operation parameters, wherein the operation parameters comprise operation type, derrick type, field operator number and calibration ratio.
3. The system as claimed in claim 1, wherein the operation types include tripping operation, casing running operation, cementing operation, drilling operation and rat holing operation.
4. The system as claimed in claim 1, wherein the image extraction unit is connected to the rotatable camera, and the image extraction unit can extract the image captured by the video capture part and send the image to the operation moving image detection unit.
5. The system for monitoring and warning personnel standing in the drilling operation field as claimed in claim 1, wherein the operation moving image detection unit can identify the operator, a drill pipe, a high-pressure pipeline, a sleeve, a valve and a hydraulic tong in the image and extract corresponding coordinate data.
6. The system as claimed in claim 1, wherein the pre-warning judgment unit judges whether the personnel station position is illegal and can generate a warning signal to the warning part.
7. The system as claimed in claim 1, wherein the lifting support is an automatic lifting support.
8. The system of claim 1, wherein the liftable support comprises a base body, a hollow groove is formed in the middle of the base body, a lifting rod is inserted in the hollow groove, a row of threaded holes are formed in the lifting rod, a threaded circular hole is formed in the upper portion of the hollow groove, a positioning knob is arranged in the threaded circular hole, and the positioning knob is used for realizing lifting of the lifting rod by connecting the threaded circular hole with threaded holes with different heights.
9. The system as claimed in claim 1, wherein the alarm portion further comprises an explosion-proof housing and a signal receiver, the signal receiver is connected to the audible and visual alarm, and the signal receiver and the audible and visual alarm are both disposed in the explosion-proof housing.
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